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JavaScript 冒号赋值运算符
tryjsref_oper_colon
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<!DOCTYPE html> <html> <body> <h1>JavaScript Assignment</h1> <h2>Colon Assignment</h2> <h2>The : Operator</h2> <p id="demo"></p> <script> const size = {x: 5, y: 10, z: 1}; document.getElementById("demo").innerHTML = "The width is " + size.x; </script> </body> </html>